the area of a triangle is 36 cm^2 and its base is 9 cm. find the length of the perpendicular.
class 9 - Heron's formula
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0.5*9*height=36
height=8
height=8
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0
1/2 × base × height
Let length of the perpendicular be x
1/2 × 9 × x = 36
9x = 72
x = 8cm
Let length of the perpendicular be x
1/2 × 9 × x = 36
9x = 72
x = 8cm
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